How does valve of dome of pottery and porcelain reduce abraded degree
Time: 2019-03-23 Writer: mingrui
How does valve of dome of pottery and porcelain reduce abraded degree
The ceramic dome valve has a metal valve body, a spool, a pressure ring and a cover, and a ceramic ball crown, a seat, a pipe and a liner;The valve body is tubular, the two ends of the inner hole are the inlet and outlet, and the middle part is the holding space with upper and lower axle holes;The nozzles are arranged in the pressure ring at the inlet of the valve body, and the upper and lower perforated liner is arranged in the valve body holding space and the outlet;The valve core is composed of three parts: the valve core seat, the upper half axle and the lower half axle.The upper end of the spool seat is provided with a fixed hole and the lower end with a shaft hole;The ball crown and the valve core seat are put into the liner as a whole;The lower half shaft is inserted into the shaft hole through the lower shaft hole and the lower hole;The lower part of the upper half axle is fixed in the fixing hole through the upper axle hole and the upper perforation interpolation.The pressure ring pushes the seat toward the liner;Pipe and valve seat through;Either the crown fits into the ring of the seat to seal the passage between the nipple and the liner, or the crown moves away from the seat to connect the nipple to the liner in full bore.
The ceramic hard sealing dome valve in the ash conveying system of the power plant is installed in the valve body. The ceramic sealing ring is installed on the top of the valve body for interference heating. The ceramic ball top and the tumbler shaft are fixed and assembled.The ceramic ball top is matched with the hard spherical seal of the ceramic seal ring to ensure the good sealing effect.Because ceramic ball top and ceramic seal ring adopt super hard abrasion resistant industrial ceramics, it can greatly reduce the degree of erosion and abrasion of the material, and extend the service life of the dome valve.
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